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Message-Id: <1414660599-25707-1-git-send-email-mail@eworm.de>
Date: Thu, 30 Oct 2014 10:16:39 +0100
From: Christian Hesse <mail@...rm.de>
To: Stephen Hemminger <stephen@...workplumber.org>
Cc: netdev@...r.kernel.org, Christian Hesse <mail@...rm.de>
Subject: [PATCH v3 1/1] ip-link: add switch to show human readable output
Byte and packet count can increase to really big numbers. This adds a
switch to show human readable output.
% ip -s link ls en
3: en: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
link/ether 00:de:ad:be:ee:ef brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
48494310 141370 0 196 0 0
TX: bytes packets errors dropped carrier collsns
153830639 180773 0 0 0 0
% ip -s -h link ls en
3: en: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
link/ether 00:de:ad:be:ee:ef brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
46.3M 138.8K 0 198 0 0
TX: bytes packets errors dropped carrier collsns
148.1M 177.7K 0 0 0 0
---
include/utils.h | 1 +
ip/ip.c | 5 +
ip/ipaddress.c | 279 ++++++++++++++++++++++++++++++++++++++------------
man/man8/ip-link.8.in | 1 +
4 files changed, 220 insertions(+), 66 deletions(-)
diff --git a/include/utils.h b/include/utils.h
index 704dc51..7bb19e9 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -11,6 +11,7 @@
#include "rtm_map.h"
extern int preferred_family;
+extern int human_readable;
extern int show_stats;
extern int show_details;
extern int show_raw;
diff --git a/ip/ip.c b/ip/ip.c
index 739b88d..6b352c8 100644
--- a/ip/ip.c
+++ b/ip/ip.c
@@ -24,6 +24,7 @@
#include "ip_common.h"
int preferred_family = AF_UNSPEC;
+int human_readable = 0;
int show_stats = 0;
int show_details = 0;
int resolve_hosts = 0;
@@ -47,6 +48,7 @@ static void usage(void)
" tunnel | tuntap | maddr | mroute | mrule | monitor | xfrm |\n"
" netns | l2tp | tcp_metrics | token | netconf }\n"
" OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |\n"
+" -h[uman-readable] |\n"
" -f[amily] { inet | inet6 | ipx | dnet | bridge | link } |\n"
" -4 | -6 | -I | -D | -B | -0 |\n"
" -l[oops] { maximum-addr-flush-attempts } |\n"
@@ -212,6 +214,9 @@ int main(int argc, char **argv)
preferred_family = AF_DECnet;
} else if (strcmp(opt, "-B") == 0) {
preferred_family = AF_BRIDGE;
+ } else if (matches(opt, "-human") == 0 ||
+ matches(opt, "-human-readable") == 0) {
+ ++human_readable;
} else if (matches(opt, "-stats") == 0 ||
matches(opt, "-statistics") == 0) {
++show_stats;
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index 45729d8..dcf31c0 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -319,107 +319,254 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
}
}
+static void print_human64(FILE *fp, int length, uint64_t count)
+{
+ int written;
+
+ if (count > 1125899906842624) /* 2**50 */
+ written = fprintf(fp, "%"PRIu64".%"PRIu64"P",
+ count / 1125899906842624,
+ count * 10 / 1125899906842624 % 10);
+ else if (count > 1099511627776) /* 2**40 */
+ written = fprintf(fp, "%"PRIu64".%"PRIu64"T",
+ count / 1099511627776,
+ count * 10 / 1099511627776 % 10);
+ else if (count > 1073741824) /* 2**30 */
+ written = fprintf(fp, "%"PRIu64".%"PRIu64"G",
+ count / 1073741824, count * 10 / 1073741824 % 10);
+ else if (count > 1048576) /* 2**20 */
+ written = fprintf(fp, "%"PRIu64".%"PRIu64"M",
+ count / 1048576, count * 10 / 1048576 % 10);
+ else if (count > 1024) /* 2**10 */
+ written = fprintf(fp, "%"PRIu64".%"PRIu64"K",
+ count / 1024, count * 10 / 1024 % 10);
+ else
+ written = fprintf(fp, "%"PRIu64, count);
+
+ do {
+ fputc(' ', fp);
+ } while (written++ < length);
+}
+
+static void print_human32(FILE *fp, int length, uint32_t count)
+{
+ int written;
+
+ if (count > 1073741824) /* 2**30 */
+ written = fprintf(fp, "%u.%uG",
+ count / 1073741824, count * 10 / 1073741824 % 10);
+ else if (count > 1048576) /* 2**20 */
+ written = fprintf(fp, "%u.%uM",
+ count / 1048576, count * 10 / 1048576 % 10);
+ else if (count > 1024) /* 2**10 */
+ written = fprintf(fp, "%u.%uK",
+ count / 1024, count * 10 / 1024 % 10);
+ else
+ written = fprintf(fp, "%u", count);
+
+ do {
+ fputc(' ', fp);
+ } while (written++ < length);
+}
+
static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s,
const struct rtattr *carrier_changes)
{
+ /* RX stats */
fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
s->rx_compressed ? "compressed" : "", _SL_);
- fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
- (uint64_t)s->rx_bytes,
- (uint64_t)s->rx_packets,
- (uint64_t)s->rx_errors,
- (uint64_t)s->rx_dropped,
- (uint64_t)s->rx_over_errors,
- (uint64_t)s->multicast);
- if (s->rx_compressed)
- fprintf(fp, " %-7"PRIu64"",
- (uint64_t)s->rx_compressed);
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human64(fp, 10, (uint64_t)s->rx_bytes);
+ print_human64(fp, 8, (uint64_t)s->rx_packets);
+ print_human64(fp, 7, (uint64_t)s->rx_errors);
+ print_human64(fp, 7, (uint64_t)s->rx_dropped);
+ print_human64(fp, 7, (uint64_t)s->rx_over_errors);
+ print_human64(fp, 7, (uint64_t)s->multicast);
+ if (s->rx_compressed)
+ print_human64(fp, 7, (uint64_t)s->rx_compressed);
+ } else {
+ fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
+ (uint64_t)s->rx_bytes,
+ (uint64_t)s->rx_packets,
+ (uint64_t)s->rx_errors,
+ (uint64_t)s->rx_dropped,
+ (uint64_t)s->rx_over_errors,
+ (uint64_t)s->multicast);
+ if (s->rx_compressed)
+ fprintf(fp, " %-7"PRIu64"",
+ (uint64_t)s->rx_compressed);
+ }
+
+ /* RX error stats */
if (show_stats > 1) {
fprintf(fp, "%s", _SL_);
- fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
- fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
- (uint64_t)s->rx_length_errors,
- (uint64_t)s->rx_crc_errors,
- (uint64_t)s->rx_frame_errors,
- (uint64_t)s->rx_fifo_errors,
- (uint64_t)s->rx_missed_errors);
+ fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human64(fp, 8, (uint64_t)s->rx_length_errors);
+ print_human64(fp, 7, (uint64_t)s->rx_crc_errors);
+ print_human64(fp, 7, (uint64_t)s->rx_frame_errors);
+ print_human64(fp, 7, (uint64_t)s->rx_fifo_errors);
+ print_human64(fp, 7, (uint64_t)s->rx_missed_errors);
+ } else {
+ fprintf(fp, " %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
+ (uint64_t)s->rx_length_errors,
+ (uint64_t)s->rx_crc_errors,
+ (uint64_t)s->rx_frame_errors,
+ (uint64_t)s->rx_fifo_errors,
+ (uint64_t)s->rx_missed_errors);
+ }
}
fprintf(fp, "%s", _SL_);
+
+ /* TX stats */
fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
(uint64_t)s->tx_compressed ? "compressed" : "", _SL_);
- fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
- (uint64_t)s->tx_bytes,
- (uint64_t)s->tx_packets,
- (uint64_t)s->tx_errors,
- (uint64_t)s->tx_dropped,
- (uint64_t)s->tx_carrier_errors,
- (uint64_t)s->collisions);
- if (s->tx_compressed)
- fprintf(fp, " %-7"PRIu64"",
- (uint64_t)s->tx_compressed);
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human64(fp, 10, (uint64_t)s->tx_bytes);
+ print_human64(fp, 8, (uint64_t)s->tx_packets);
+ print_human64(fp, 7, (uint64_t)s->tx_errors);
+ print_human64(fp, 7, (uint64_t)s->tx_dropped);
+ print_human64(fp, 7, (uint64_t)s->tx_carrier_errors);
+ print_human64(fp, 7, (uint64_t)s->collisions);
+ if (s->tx_compressed)
+ print_human64(fp, 7, (uint64_t)s->tx_compressed);
+ } else {
+ fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
+ (uint64_t)s->tx_bytes,
+ (uint64_t)s->tx_packets,
+ (uint64_t)s->tx_errors,
+ (uint64_t)s->tx_dropped,
+ (uint64_t)s->tx_carrier_errors,
+ (uint64_t)s->collisions);
+ if (s->tx_compressed)
+ fprintf(fp, " %-7"PRIu64"",
+ (uint64_t)s->tx_compressed);
+ }
+
+ /* TX error stats */
if (show_stats > 1) {
fprintf(fp, "%s", _SL_);
- fprintf(fp, " TX errors: aborted fifo window heartbeat");
+ fprintf(fp, " TX errors: aborted fifo window heartbeat");
if (carrier_changes)
fprintf(fp, " transns");
fprintf(fp, "%s", _SL_);
- fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-8"PRIu64"",
- (uint64_t)s->tx_aborted_errors,
- (uint64_t)s->tx_fifo_errors,
- (uint64_t)s->tx_window_errors,
- (uint64_t)s->tx_heartbeat_errors);
- if (carrier_changes)
- fprintf(fp, " %-7u",
- *(uint32_t*)RTA_DATA(carrier_changes));
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human64(fp, 8, (uint64_t)s->tx_aborted_errors);
+ print_human64(fp, 7, (uint64_t)s->tx_fifo_errors);
+ print_human64(fp, 7, (uint64_t)s->tx_window_errors);
+ print_human64(fp, 7, (uint64_t)s->tx_heartbeat_errors);
+ if (carrier_changes)
+ print_human64(fp, 7, (uint64_t)*(uint32_t*)RTA_DATA(carrier_changes));
+ } else {
+ fprintf(fp, " %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
+ (uint64_t)s->tx_aborted_errors,
+ (uint64_t)s->tx_fifo_errors,
+ (uint64_t)s->tx_window_errors,
+ (uint64_t)s->tx_heartbeat_errors);
+ if (carrier_changes)
+ fprintf(fp, " %-7u",
+ *(uint32_t*)RTA_DATA(carrier_changes));
+ }
}
}
static void print_link_stats32(FILE *fp, const struct rtnl_link_stats *s,
const struct rtattr *carrier_changes)
{
+ /* RX stats */
fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
s->rx_compressed ? "compressed" : "", _SL_);
- fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
- s->rx_bytes, s->rx_packets, s->rx_errors,
- s->rx_dropped, s->rx_over_errors,
- s->multicast
- );
- if (s->rx_compressed)
- fprintf(fp, " %-7u", s->rx_compressed);
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human32(fp, 10, s->rx_bytes);
+ print_human32(fp, 8, s->rx_packets);
+ print_human32(fp, 7, s->rx_errors);
+ print_human32(fp, 7, s->rx_dropped);
+ print_human32(fp, 7, s->rx_over_errors);
+ print_human32(fp, 7, s->multicast);
+ if (s->rx_compressed)
+ print_human32(fp, 7, s->rx_compressed);
+ } else {
+ fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
+ s->rx_bytes, s->rx_packets, s->rx_errors,
+ s->rx_dropped, s->rx_over_errors,
+ s->multicast);
+ if (s->rx_compressed)
+ fprintf(fp, " %-7u", s->rx_compressed);
+ }
+
+ /* RX error stats */
if (show_stats > 1) {
fprintf(fp, "%s", _SL_);
- fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
- fprintf(fp, " %-7u %-7u %-7u %-7u %-7u",
- s->rx_length_errors,
- s->rx_crc_errors,
- s->rx_frame_errors,
- s->rx_fifo_errors,
- s->rx_missed_errors
- );
+ fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human32(fp, 8, s->rx_length_errors);
+ print_human32(fp, 7, s->rx_crc_errors);
+ print_human32(fp, 7, s->rx_frame_errors);
+ print_human32(fp, 7, s->rx_fifo_errors);
+ print_human32(fp, 7, s->rx_missed_errors);
+ } else {
+ fprintf(fp, " %-8u %-7u %-7u %-7u %-7u",
+ s->rx_length_errors,
+ s->rx_crc_errors,
+ s->rx_frame_errors,
+ s->rx_fifo_errors,
+ s->rx_missed_errors);
+ }
}
fprintf(fp, "%s", _SL_);
+
+ /* TX stats */
fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
s->tx_compressed ? "compressed" : "", _SL_);
- fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
- s->tx_bytes, s->tx_packets, s->tx_errors,
- s->tx_dropped, s->tx_carrier_errors, s->collisions);
- if (s->tx_compressed)
- fprintf(fp, " %-7u", s->tx_compressed);
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human32(fp, 10, s->tx_bytes);
+ print_human32(fp, 8, s->tx_packets);
+ print_human32(fp, 7, s->tx_errors);
+ print_human32(fp, 7, s->tx_dropped);
+ print_human32(fp, 7, s->tx_carrier_errors);
+ print_human32(fp, 7, s->collisions);
+ if (s->tx_compressed)
+ print_human32(fp, 7, s->tx_compressed);
+ } else {
+ fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
+ s->tx_bytes, s->tx_packets, s->tx_errors,
+ s->tx_dropped, s->tx_carrier_errors, s->collisions);
+ if (s->tx_compressed)
+ fprintf(fp, " %-7u", s->tx_compressed);
+ }
+
+ /* TX error stats */
if (show_stats > 1) {
fprintf(fp, "%s", _SL_);
- fprintf(fp, " TX errors: aborted fifo window heartbeat");
+ fprintf(fp, " TX errors: aborted fifo window heartbeat");
if (carrier_changes)
fprintf(fp, " transns");
fprintf(fp, "%s", _SL_);
- fprintf(fp, " %-7u %-7u %-7u %-8u",
- s->tx_aborted_errors,
- s->tx_fifo_errors,
- s->tx_window_errors,
- s->tx_heartbeat_errors
- );
- if (carrier_changes)
- fprintf(fp, " %-7u",
- *(uint32_t*)RTA_DATA(carrier_changes));
+ if (human_readable) {
+ fprintf(fp, " ");
+ print_human32(fp, 8, s->tx_aborted_errors);
+ print_human32(fp, 7, s->tx_fifo_errors);
+ print_human32(fp, 7, s->tx_window_errors);
+ print_human32(fp, 7, s->tx_heartbeat_errors);
+ if (carrier_changes)
+ print_human32(fp, 7, *(uint32_t*)RTA_DATA(carrier_changes));
+ } else {
+ fprintf(fp, " %-8u %-7u %-7u %-7u",
+ s->tx_aborted_errors,
+ s->tx_fifo_errors,
+ s->tx_window_errors,
+ s->tx_heartbeat_errors);
+ if (carrier_changes)
+ fprintf(fp, " %-7u",
+ *(uint32_t*)RTA_DATA(carrier_changes));
+ }
}
}
diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index 464009d..b05c6d0 100644
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -16,6 +16,7 @@ ip-link \- network device configuration
.ti -8
.IR OPTIONS " := { "
\fB\-V\fR[\fIersion\fR] |
+\fB\-h\fR[\fIuman-readable\fR] |
\fB\-s\fR[\fItatistics\fR] |
\fB\-r\fR[\fIesolve\fR] |
\fB\-f\fR[\fIamily\fR] {
--
2.1.3
--
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